<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>SCSS测试</title>
    <link rel="stylesheet" href="env_pro.css">
</head>
<body>
    <div class="main_container">
        <p class="title">标题一</p>
        <p class="title2">标题二</p>
        <p class="middle">正文-内容</p>
        <p class="tail">hover变色</p>
        <p class="half_title">Half-Title-FontSize</p>
        <div class="mixin_1"></div>
        <div class="mixin_2"></div>
        <div class="mixin_3">@mixin函数的@content插槽演示</div>
    </div>
</body>
</html>